Nowa Wieś [ˈnɔva ˈvjɛɕ] is a village in the administrative district of Gmina Tarczyn, within Piaseczno County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) west of Tarczyn, 22 km (14 mi) south-west of Piaseczno, and 33 km (21 mi) south-west of Warsaw.